Dual Expanding DBB Plug Valve

Plug Valve

contact us

SHANGHAI HUIXUAN VALVE

Mobile:+86-17717520739
Wechat:17717520739
Email：info@shxvalve.com

Address: NO.720, Suide Road, Jiading District,Shanghai, China.

Model：

Port size：1/2"~24" (DN15~DN600)
Pressure：CL150-CL900
Medium：Water,steam,oil,gas,etc.
Temperature :-40～450℃
Body material：WCB,CF8,CF8M,CF3,CF3M etc.
Description：Dual expanding DBB plug valve manufacturer,factory and supplier in china

Dual expanding DBB plug valve manufacturer,factory and supplier in china for double block and double bleed plug valve with full bore and reduced bore. Dual expanding DBB plug valve is manufactured and tested to API 6D and ANSI B16.34 specifications.This movement assures positive shut-off while reducing wear between the sealing surfaces and extending the life of the general plug valve. The mechanical seal provides a superior valve for demanding applications; including those requiring zero-leakage in Double Block and Bleed service. Dual expanding DBB plug valve is designed for easy in line service to be performed through the top entry access.

Dual expanding DBB plug valve Specification:

Design standard :API 6D
1.Pressure scope :CLASS 150Lb~900Lb
2.Nominal diameter : NPS 2~36″
3.Body material:A105､LF2､F304､F316､F304L､F316L､F51,WCB､LCB､WCC､CF8､CF8M､CF3､CF3M､A890 4A etc.
4.End connection :RF RTJ BW
5.Drive device: Lever, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device

Dual expanding DBB plug valve feature:

Double Block And Bleed Valve Body
Cast Steel Construction
NACE
Positive (Bubble Tight) Closure
Mechanical Sealing/Operation
Trunnion Mounted Plug
External Thermal Body Relief
Fire Safe Design
Field Repairable In Line
Extensions and Adaption for Actuation Available
Wide Range of Trim Options Available

Dual expanding DBB plug valve material:

NO.	Part name	Material
1 .	Bottom .	ASTM A216-WCB, ASTM A351-CF8,CF8M,CF3,CF3M
2	Oring	Butyl rubber NBR, PTFE
3	Sealing ring	Fluorine rubber Viton, PTFE
4	Plug	ASTM A216 WCB+N, ASTM A351-CF8, CF8M, CF3, CF3M
5	Body	ASTM A216-WCB, ASTM A351-CF8, CF8M, CF3, CF3M
6	Bolt	ASTM A193-B7, A320-B8, A193-B8M
7	Nut	ASTM A194-2H, A194-8, A194-8M
8	Cover	ASTM A216-WCB, ASTM A351-CF8, CF8M, CF3, CF3M
9	Packing	Flexible graphite+stainless steel, PTFE
10	Gland	ASTM A216-WCB, ASTM A351-CF8, CF8M, CF8M, CF3, CF3M
11	Handwheel	ASTM A536 Gr.60-40-18, A216-WCB
12	Yoke nut	Copper alloy ZQA19-4
13	Yoke nut bushing	ASTM A216-WCB, ASTM A351-CF8, CF8M, CF3, CF3M
14	Yoke	ASTM A216-WCB, ASTM A351-CF8, CF8M, CF3, CF3M
15	Stem	ASTM A 182-Gr.F6a, ASTM A 182-F22, ASTM A351-CF8, CF8M, CF3, CF3M
16	Guiding stud	ASTM A 182-Gr.F6a, ASTM A 182-F22, ASTM A351-CF8, CF8M, CF3, CF3M
17	Pin	ASTM A 182-Gr.F6a, ASTM A 182-F22, ASTM A351-CF8, CF8M, CF3, CF3M
18	Disc	ASTM A 182-Gr.F6a, ASTM A 182-F22, ASTM A351-CF8, CF8M, CF3, CF3M

Plug Valve

contact us

SHANGHAI HUIXUAN VALVE

Dual Expanding DBB Plug Valve

HuiXuan

Plug Valve

Other Plug Valve

Contact Us

INQUIRY US